E. ON Kernkraft GmbH is a subsidiary of E. ON and operates six nuclear power plants in Germany employing about 2600 workers. It is located in Tresckowstraße 5 30457 Hannover. Furthermore it owns one third of the Brunsbüttel nuclear power plant which was shut down in 2007 because of a long history of malfunctions and as part of a nuclear power phase-out the plant has since not been used.